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  • 66-A tunable fluorescent probe for superoxide anion detection during inflammation caused by Treponema pallidum
  • 来源:廖光福教授个人网站 2023-05-18
  • Syphilis, caused by Treponema pallidum (T. pallidum), is associated with the oxidative stress due to its inflammation-like symptom, and detecting the reactive oxygen species (ROS) is crucial for monitoring the infectious process. Herein, we design and synthesize a perylene-based tunable fluorescent probe, PerqdOH, which can detect endogenous O2˙? during T. pallidum infection. The fluorescence peak shifted from 540 nm to 750 nm with increasing O2˙? levels. Besides, both decreased green fluorescence and enhanced red fluorescence could be observed simultaneously during the in vitro infection, providing the real-time monitoring of intracellular O2˙? caused by T. pallidum. Furthermore, the probe exhibited a remarkable signal in the treponemal lesions on the back of a rabbit model. Taken together, our synthesized PerqdOH holds great potential for application in clarifying the infectious process caused by T. pallidum in real time.
  • [来源:中国聚合物网]
  • 了解更多请进入: 廖光福教授个人网站
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